Finding the Third Proportional to 231,667 and 369,981.50

Step by Step Solution

1. Step 1: Write the proportion equation
   231,667 : 369,981.50 = 369,981.50 : x
2. Step 2: Convert to fraction form
   231,667/369,981.50 = 369,981.50/x
3. Step 3: Cross multiply
   231,667x = 369,981.50 × 369,981.50
4. Step 4: Simplify right side
   231,667x = 136,886,310,342.25
5. Step 5: Solve for x
   x = 136,886,310,342.25/231,667
6. Step 6: Final answer
   x = 590,875.31